Yes, Halo Wars is a Xbox Live game, therefore you can play online against other players.
On the second disk, the multiplayer disk.
yes, but its only multiplayer as in against each other
Yes but it is against rules, and you may be banned from Halo and even your own xBox.
Halo Games: 1. Halo: Combat Evolved (Xbox, PC) 2. Halo 2 (Xbox, PC) 3. Halo 2 Muliplayer Map Pack (Xbox) 4. Halo Triple Pack (Xbox) 5. Halo 3 (Xbox 360) 6. Halo 3 O.D.S.T (Xbox 360) 7. Halo reach (Xbox 30) Other Halo Games: 1. Halo Zero (PC) 2. Halo: Custom Edition (PC) Future Games: 1. Halo Wars (Xbox 360) 2. Halo: Chronicles (Xbox 360) 3. Halo 3: Recon (Xbox 360)4. Halo 3: ODST (Xbox 360)
Basically, halo anniversary comes with a disc and a dlc codefor the anniversary maps, so essentially it just adds maps to the halo reach game, like any other dlc there. Concluding you can conmect to each other.
It depends on the game
The Halo Series is exclusive to the Xbox 360 and will not be out in any other platforms
Halo 3: ODST will only be released on the Xbox 360. The are currently no plans to make Halo 3 or Halo 3: ODST available on any other console other than Xbox 360.
Halo is NOT for Wii. Halo is ONLY for the Xbox. The reason Halo is only for the Xbox is because the Xbox company made the game Halo. If you want the game Halo you will have to get an Xbox if you don't have one.
All Halo games are Microsoft products. Nintendo and Sony are competitors with Microsoft, so it is unlikely that you will see a Halo game for any other console than XBox/XBox360/etc. for the foreseeable future.
No, Halo:Reach is only for Xbox 360.